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Note 2 - Details of Consolidated Balance Sheet Accounts - Prepaid Expenses and Other (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Insurance premiums	$ 5,324	$ 4,608
Contract assets	1,584	2,106
Other	2,841	3,971
Prepaid Expense and Other Assets, Current	25,888	27,512
License Fees Member [Member]
Prepaid expenses	5,863	5,557
Parts And Tires Inventory [Member]
Prepaid expenses	5,694	6,286
Tires In Service [Member]
Prepaid expenses	$ 4,582	$ 4,984

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